The Collar,shouldered B, cataloged under National Stock Number 4320-01-130-8231, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Collar,shouldered B |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-130-8231 |
| Primary Part Number | 3DM168AX1 |
| Item Name | Collar,shouldered B |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| W-247503 PIECE168 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 3DM168AX1 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Y30M 168AX1-20K | 5/9 Secondary reference Ingersoll Rand Co |
| W-247503 PIECE168 | 5/9 Secondary reference Ingersoll Rand Co |
| Y30M 168AX1-20K | 5/9 Secondary reference U.S. Government activity |
| W-247503 PIECE168 | 5/9 Secondary reference U.S. Government activity |
| 3DM168AX1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-130-8231 is a Collar,shouldered B, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-130-8231 has 2 manufacturer part numbers on file: W-247503 PIECE168 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 3DM168AX1 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.